Pipe hanger



FIG. 1 is a perspective view of a pipe hanger showing a plurality of apertures in the environment for illustration;

FIG. 2 is a front view of the pipe hanger;

FIG. 3 is a rear view of FIG. 2;

FIG. 4 is a left-hand side view of FIG. 2, wherein a right-hand side view is a mirror image of the left-hand side view;

FIG. 5 is a top view of FIG. 2; and,

FIG. 6 is a bottom view of FIG. 2.

The broken lines shown in the drawings illustrate the environment of the article and form no part of the claimed design. 

CLAIM The ornamental design for a pipe hanger, as shown and described. 